64860015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 126282240

約数和(自身を除く): 61422225

約数列:

[1, 3, 5, 11, 15, 17, 19, 33, 51, 55, 57, 85, 95, 165, 187, 209, 255, 285, 323, 561, 627, 935, 969, 1045, 1217, 1615, 2805, 3135, 3553, 3651, 4845, 6085, 10659, 13387, 17765, 18255, 20689, 23123, 40161, 53295, 62067, 66935, 69369, 103445, 115615, 200805, 227579, 254353, 310335, 346845, 393091, 682737, 763059, 1137895, 1179273, 1271765, 1965455, 3413685, 3815295, 4324001, 5896365, 12972003, 21620005, 64860015]

約数ペア:

[(1, 64860015), (3, 21620005), (5, 12972003), (11, 5896365), (15, 4324001), (17, 3815295), (19, 3413685), (33, 1965455), (51, 1271765), (55, 1179273), (57, 1137895), (85, 763059), (95, 682737), (165, 393091), (187, 346845), (209, 310335), (255, 254353), (285, 227579), (323, 200805), (561, 115615), (627, 103445), (935, 69369), (969, 66935), (1045, 62067), (1217, 53295), (1615, 40161), (2805, 23123), (3135, 20689), (3553, 18255), (3651, 17765), (4845, 13387), (6085, 10659)]